124876-74-0

Upstream product

• 611-71-2 (R)-Mandelic Acid 
• 67-56-1 methanol 
• 18162-48-6 tert-butyldimethylsilyl chloride 

Downstream Products

• 130115-07-0 (R)-2-(t-butyldimethylsilyloxy)-2-phenylacetaldehyde 
• 119642-26-1 2(R)-hydroxy-3(S)-amino-4-cyclohexylbutanoic acid 2-propyl ester 
• 130115-17-2 Benzyl-[(R)-2-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-eth-(E)-ylidene]-amine 
• 130115-13-8 (4R,5R)-1-benzyl-5-<(R)-(1-benzyloxy-1-isopropoxycarbonyl)methyl>-4-phenyl-2-oxazolidone 
• 130115-15-0 (3R,4R)-4-benzoyl-3-benzyloxy-1-(di-p-anisylmethyl)-2-azetidinone 
• 119660-39-8 isopropyl (2R,3S)-3-amino-2-hydroxy-4-phenylbutyrate 
• 130115-16-1 [Bis-(4-methoxy-phenyl)-methyl]-[(R)-2-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-eth-(E)-ylidene]-amine 
• 130115-12-7 (4R,5R)-5-<(R)-(1-benzyloxy-1-isopropoxycarbonyl)methyl>-4-phenyl-2-oxazolidone 
• 121506-22-7 (2R,3S)-nor-C-statine hydrochloride 
• 130193-86-1 (3S,4S)-1-Benzyl-3-benzyloxy-4-[(R)-(tert-butyl-dimethyl-silanyloxy)-phenyl-methyl]-azetidin-2-one 
• 130115-20-7 (3R,4R,4'R)-4-<<<(1,1-Dimethylethyl)dimethylsilyl>oxy>phenylmethyl>-3-phenylmethoxy-1-(phenylmethyl)azetidin-2-one 
• 141318-55-0 (3S,4R)-3-benzyloxy-1-(di-p-anisylmethyl)-4-<(R)-1-hydroxybenzyl>-2-azetidinone 
• 130115-14-9 (3R,4R)-3-benzyloxy-1-(di-p-anisylmethyl)-4-<(R)-1-hydroxybenzyl>-2-azetidinone 
• 130193-83-8 (3R,4S)-3-benzyloxy-1-(di-p-anisylmethyl)-4-<(S)-1-hydroxybenzyl>-2-azetidinone 

Relevant academic research and scientific papers

Stereodivergent synthesis of all the four stereoisomers of antidepressant reboxetine

Chiral amino alcohol-copper(ii) catalysts Cu-L1c and Cu-ent-L1c were utilized to promote the diastereoselective nitroaldol reactions of chiral aldehydes (S)-3 or (R)-3 with nitromethane, which respectively led to the preferential formation of certain stereoisomer for nitro diol derivatives 4. Using this catalytic protocol, all the four stereoisomers of the antidepressant reboxetine were divergently prepared. The highest overall yield of this synthetic route reached up to 30.5% from aldehyde (S)-3.

Enantioselective Synthesis of the C23–C33 Fragment of Aetheramide A and Its C32 Epimer

The key aetheramide A intermediate with the natural (R,R,R) configuration along with the one having the unnatural (R,S,R) configuration was synthesized. The synthesis of both stereoisomers was accomplished by Suzuki coupling of two advanced chiral building blocks: (R,R)- and (R,S)-vinylboronates and an (R)-iodoalkene. The former was prepared from (R)-mandelic acid, and the latter was prepared by enantioselective allylation of 3-iodoacrylaldehyde.

An asymmetric pericyclic cascade approach to 3-alkyl-3-aryloxindoles: Generality, applications and mechanistic investigations

The reaction of L-serine derived N-arylnitrones with alkylarylketenes generates asymmetric 3-alkyl-3-aryloxindoles in good to excellent yields (up to 93%) and excellent enantioselectivity (up to 98% ee) via a pericyclic cascade process. The optimization, scope and applications of this transformation are reported, alongside further synthetic and computational investigations. The preparation of the enantiomer of a Roche anti-cancer agent (RO4999200) 1 (96% ee) in three steps demonstrates the potential utility of this methodology.

Efficient and diastereoselective synthesis of (+)-goniobutenolide A via palladium-catalyzed ene-yne cross coupling-lactonization cascade

(+)-Goniobutenolide A was synthesized in six steps in 21.4% overall yield from (R)-mandelic acid via Pd-catalyzed ene-yne cross coupling-lactonization cascade with essentially complete control of the exocyclic alkene geometry. Copyright (C) 1996 Elsevier Science Ltd.